So if my opponent burgles for the first time a building that shows dark for me, it will continue to show dark for me? In other words, only buildings I burgle for the first time change from dark to light?
When a building is dark it just means that you haven't scouted it yet - which usually means there's still a burglary in it. (Unscouted/dark buildings also don't reveal whether they're guarded or have enemy urchins in them.)
